Home / 7,740.09-10,681.47-4,598.10

Finding the Fourth Proportional to 7,740.09, 10,681.47 and 4,598.10

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Solution

The fourth proportional to 7,740.09, 10,681.47 and 4,598.10 is: 6,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.09 : 10,681.47 = 4,598.10 : x
  2. Step 2: Convert to fraction form
    7,740.09/10,681.47 = 4,598.10/x
  3. Step 3: Cross multiply
    7,740.09x = 10,681.47 × 4,598.10
  4. Step 4: Simplify right side
    7,740.09x = 49,114,467.21
  5. Step 5: Solve for x
    x = 49,114,467.21/7,740.09
  6. Step 6: Final answer
    x = 6,345.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.